Finding the Third Proportional to 721,040 and 1,131,051

Step by Step Solution

1. Step 1: Write the proportion equation
   721,040 : 1,131,051 = 1,131,051 : x
2. Step 2: Convert to fraction form
   721,040/1,131,051 = 1,131,051/x
3. Step 3: Cross multiply
   721,040x = 1,131,051 × 1,131,051
4. Step 4: Simplify right side
   721,040x = 1,279,276,364,601
5. Step 5: Solve for x
   x = 1,279,276,364,601/721,040
6. Step 6: Final answer
   x = 1,774,209.98